.content {
    width: 100vw;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: rgba(238, 238, 238, 1);
    ;
}

.con-video {
    position: relative;
    width: 100vw;
    height: 38.73vw;
    overflow: hidden;
}

.home_video {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100vw;
    z-index: 0;
}

.video-mask {
    position: absolute;
    top: 0;
    left: 0;
    background-color: rgba(0, 0, 0, .2);
    width: 100%;
    height: 100%;
    z-index: 1;
}

.con-code {
    margin-top: 83px;
    width: 74.94vw;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.col-img {
    width: 24.98vw;
    height: 16.65vw;
}

.col-num {
    margin-left: 82px;
    margin-right: 23px;
    width: 18.70vw;
    display: flex;
    flex-direction: column;
}

.link {
    margin: 15px 0;
    width: 51px;
    height: 10px;
    background-color: rgb(51, 51, 51);
}

.button {
    margin-top: 20px;
    width: 160px;
    height: 47px;
    background-color: #4c4c4c;
    border-radius: 5px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #ffffff;
    font-size: 18px;
    transition: all .3s;
}

.button:hover {
    background-color: #000;
}


.qr-code {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex-grow: 1;
    margin-left: 52px;
    text-align: center;
}

.qr-code img {
    transform: translateX(100%);
    opacity: 0;
}

.con-sum {
    background-image: none;
}

.num {
    padding-right: 0 !important;
}

.con3 {
    padding-bottom: 36px;
    width: 100vw;
    background-color: #fff;
}

.con3 .con3-con {
    margin: 0 auto;
    width: 73.85vw;
}

.con3 .row1 {
    margin: 40px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.sec4-list {
    display: flex;
    justify-content: space-between;
}

.sec4-list li {
    width: 17vw;
    text-align: center;
    overflow: hidden;
}

.sec4-list li .col-image {
    width: 100%;
    height: 23.58vw;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center center;
    animation: ifsec4Andi forwards .3s;
}

.sec4-list li div {
    width: 100%;
}

.sec4-list li:hover .col-image {
    animation: sec4Andi forwards .3s !important;
}

@keyframes sec4Andi {
    0% {
        background-size: 100% 100%;
    }

    100% {
        background-size: 120% 120%;
    }
}

@keyframes ifsec4Andi {
    0% {
        background-size: 120% 120%;
    }

    100% {
        background-size: 100% 100%;
    }
}

.section-9 .s-left .item {
    opacity: 0;
    transform: scale(0);
}

.section-9 .s-left .item.item_show {
    animation: num_an forwards .3s;
}

@keyframes num_an {
    0% {
        opacity: 0;
        transform: scale(0);
    }

    100% {
        opacity: 1;
        transform: scale(1);
    }
}

.con4 {
    padding: 35px 0;
    padding-left: 26.89vw;
    width: 100vw;
    background: url('../images/e_con5.jpg') no-repeat;
    background-size: cover;
    background-position: center center;
    display: flex;
    justify-content: center;
}

.con4-con {
    padding: 35px 0 70px 32px;
    margin-top: 73px;
    width: 42.38vw;
    background-color: #fff;
    opacity: 0;
}

.s-left {
    width: 100vw !important;
}

.con4-button {
    margin-top: 0.94vw;
    position: relative;
    width: 172px;
    height: 71px;
    overflow: hidden;
    background-color: #4c4c4c;
    border-radius: 5px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #ffffff;
    font-size: 18px;
    cursor: pointer;
}

.button-an {
    position: absolute;
    width: 11.61vw;
    height: 11.61vw;
    background-color: rgba(0, 0, 0, .4);
    border-radius: 51%;
    transform-origin: center;
    opacity: 0;
    animation: button_an forwards .4s;
}

.con4-button:hover .button-an {
    animation: if_button_an forwards .6s;
}

@keyframes if_button_an {
    0% {
        transform: scale(0, 0);
        opacity: 1;
    }

    100% {
        transform: scale(1, 1);
        opacity: 0;
    }
}

@keyframes button_an {
    0% {
        transform: scale(1, 1);
        opacity: 0;
    }

    100% {
        transform: scale(0, 0);
        opacity: 1;
    }
}

.con5 {
    width: 100vw;
    background-color: #fff;
}

.con5-con {
    padding: 54px 0;
    margin: 68px auto;
    width: 63.30vw;
    box-shadow: 0 0 12px 0 rgba(0, 0, 0, 0.15);
    color: rgb(75, 75, 75);
}

.con5-drescript {
    margin: 20px 121px;
    font-size: 14px;
    line-height: 30px;
}

.con5-con .con-sum,
.con5-con .s-left {
    flex-wrap: wrap;
    width: 100% !important;
}

.con5-con .s-left {
    display: flex;
}

.con5-con .section-9 .s-left .item {
    width: 25% !important;
    flex-grow: 1;
}

.qr-te-an {
    /* transform-origin: center center; */
    animation: text_an forwards 1s;
}

@keyframes text_an {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.5);
    }

    75% {
        transform: scale(0.8);
    }

    100% {
        transform: scale(1);
    }
}

.qr-img-an {
    animation: qr_an forwards 1s;
}

@keyframes qr_an {
    0% {
        transform: translateX(100%);
        opacity: 0;
    }

    100% {
        transform: translateX(0);
        opacity: 1;
    }
}

.make-text-an {
    animation: fade forwards 1s;
}

@keyframes fade {
    0% {
        opacity: 0;
    }

    100% {
        opacity: 1;
    }
}